package com.jin.gulimall.order.service.impl;

import com.jin.gulimall.order.entity.OrderEntity;
import com.jin.gulimall.order.entity.OrderReturnReasonEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageProperties;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.boot.autoconfigure.amqp.RabbitProperties;
import org.springframework.stereotype.Service;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.jin.common.utils.PageUtils;
import com.jin.common.utils.Query;

import com.jin.gulimall.order.dao.OrderItemDao;
import com.jin.gulimall.order.entity.OrderItemEntity;
import com.jin.gulimall.order.service.OrderItemService;
import org.springframework.web.bind.annotation.RequestParam;

@RabbitListener(queues = {"hello-java-queue"})
@Service("orderItemService")
public class OrderItemServiceImpl extends ServiceImpl<OrderItemDao, OrderItemEntity> implements OrderItemService {

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<OrderItemEntity> page = this.page(
                new Query<OrderItemEntity>().getPage(params),
                new QueryWrapper<OrderItemEntity>()
        );

        return new PageUtils(page);
    }

    /**
     * queues:声明需要监听的所有队列
     * org.springframework.ampq.core.Message
     * @param message  原生消息详细信息  头+体
     * @param content  T<发送的消息的类型> OrderReturnReasonEntity content
     * @param channel  当前传输数据的通道
     * Queue:可以很多人都来监听。只要收到消息，队列删除消息，而且只能有一个收到此消息
     * 场景：
     *     1）.订单服务启动多个；同一个消息，只能有一个客户端收到
     *     2）.只有一个消息完全处理完，方法运行结束，我们就可以接收到下一个消息
     */
    @RabbitHandler
    public void receiveMessage(Message message, OrderReturnReasonEntity content, Channel channel) throws InterruptedException {
        byte[] body = message.getBody();
        MessageProperties properties = message.getMessageProperties();
        System.out.println("接收到的消息==>内容为"+content);
        //Thread.sleep(3000);
        System.out.println("消息完成..."+content.getName());
        long deliveryTag = message.getMessageProperties().getDeliveryTag();
        System.out.println("deliveryTag===>"+deliveryTag);
        try {
            if(deliveryTag%2==0){
                //签收货物，false非批量模式
                channel.basicAck(deliveryTag,false);
                System.out.println("签收了货物..."+deliveryTag);
            }else{
                //网络中断  requeue=true重新入队 requeue=false 不重新入队
//                long deliveryTag, boolean multiple, boolean requeue
                channel.basicNack(deliveryTag,false,true);
//                channel.basicReject();
                System.out.println("没有签收货物..."+deliveryTag);
            }

        }catch (Exception e){

        }

    }

    @RabbitHandler
    public void receiveMessage(OrderEntity content){
        System.out.println("接受到的消息为："+content);
        System.out.println("消息完成..."+content.getReceiverName());
    }
}